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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 823 · 40 questions
TalentJR

What you do (Warm, stir, small): 1. An adult pours the same amount of warm water and cold water into two glasses. 2. Add one level teaspoon of sugar to each at the same time. 3. Stir each the same number of times and time how long the sugar takes to vanish. 4. Look, do not taste — then compare the two times.

NameDateTime takenScore ___ / 40
  1. 1.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  3. 3.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  4. 4.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  5. 5.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  6. 6.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we change it (c) we measure it
  8. 8.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  9. 9.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
  10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) a clock or timer (d) a balloon
  11. 11.True or false: a big sugar cube dissolves slower. (a) True (b) False
  12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) False (b) True
  13. 13.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) poke it with a finger (c) smell it closely (d) taste it
  14. 14.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a grown-up (d) a friend who is running
  15. 15.🥄 Which of these dissolves in water? (a) sand (b) sawdust (c) small pebbles (d) food colour
  16. 16.🔍 Which is the odd one out? (a) food colour (b) table salt (c) glucose powder (d) small pebbles
  17. 17.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) time to dissolve (c) the amount of sugar (d) the amount of water
  19. 19.🔍 Which is the odd one out? (a) small pebbles (b) sawdust (c) sand (d) sugar
  20. 20.True or false: a magnet is not needed for the dissolving test. (a) True (b) False
  21. 21.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) cotton wool (d) sugar
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) cold water (d) honey
  23. 23.True or false: sawdust dissolves in water. (a) False (b) True
  24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
  25. 25.True or false: small pebbles does not dissolve in water. (a) False (b) True
  26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) time to dissolve (b) the stirring (c) the kind of sugar (d) the amount of water
  27. 27.True or false: sugar is needed for the dissolving test. (a) False (b) True
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a teaspoon (c) a mirror (d) sugar
  29. 29.True or false: glucose powder does not dissolve in water. (a) False (b) True
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we keep it the same (b) we change it (c) we measure it
  31. 31.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) two clear glasses (c) honey (d) cold water
  32. 32.🥄 Which of these does not dissolve in water? (a) table salt (b) food colour (c) sugar (d) sawdust
  33. 33.True or false: sand dissolves in water. (a) True (b) False
  34. 34.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar stirred well (c) a big sugar cube (d) sugar in icy water
  35. 35.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) slower (d) faster
  36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the amount of sugar (c) the water temperature
  37. 37.🔍 Which is the odd one out? (a) baking soda (b) sawdust (c) table salt (d) sugar
  38. 38.True or false: sugar in icy water dissolves faster. (a) True (b) False
  39. 39.🥄 Which of these dissolves in water? (a) glucose powder (b) chalk powder (c) sand (d) small pebbles
  40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the kind of sugar (b) time to dissolve (c) the water temperature

Answer key

  1. we keep it the same
  2. dissolves in water
  3. False
  4. needed
  5. slower
  6. False
  7. we change it
  8. faster
  9. not needed
  10. a balloon
  11. True
  12. False
  13. look for leftover grains
  14. a grown-up
  15. food colour
  16. small pebbles
  17. not needed
  18. the water temperature
  19. sugar
  20. True
  21. sugar
  22. honey
  23. False
  24. True
  25. True
  26. time to dissolve
  27. True
  28. a mirror
  29. False
  30. we keep it the same
  31. honey
  32. sawdust
  33. False
  34. sugar stirred well
  35. faster
  36. the amount of sugar
  37. sawdust
  38. False
  39. glucose powder
  40. the kind of sugar

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